package cn.tedu.jbdc;

import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Scanner;

public class JDBCDemo4 {
    public static void main(String[] args)  {
        Connection connection = null;
        try {
            connection = DBUtil.getConnection();
            Statement statement = connection.createStatement();

            Scanner scanner=new Scanner(System.in);
            System.out.println("请输入要注销的用户名:");
            String username = scanner.nextLine();

            String sql = "DELETE FROM userinfo WHERE username= '"+username+"' ";

            int i = statement.executeUpdate(sql);
            if (i>0){
                System.out.println("注销成功");
            }else {
                System.out.println("注销失败");
            }

            connection.close();
            statement.close();
        } catch (SQLException e) {
            throw new RuntimeException(e);
        }


    }
}
